of them detonated the explosives. police are believed to have killed the remaining three.thetalibanclaimedresponsibility for the attack, which was the deadliest to hit southern afghanistan in six months. nato has declared two crossings on cozumel -- kosovo's border with syria restricted areas, and peacekeepers have been checking cars for weapons. the move comes after ethnic serbs on wednesday attacked and set fire to a border post and fired at nato troops. the european union urged both sides to restore calm. while western europe is still waiting for summer, russia is sweltering under heat wave. russians are battling to prevent a repeat of last year's wildfires in which dozens of people lost their lives. >> the view from a fire fighting plane is disturbing. in southern russia, but also in the northwest and far east, foreign buyers are waiting, and peat bogs are smoldering. -- foreign fires are waging. they are ill-equipped to tackle the blazes. >> the heat and wind are a problem. we will keep at it as long as it takes. >> at least 7000 people -- experts and volunteers -- have been